CODEWITHSUNDEEP
c#windowsunix
lakshmen
lakshmen

Reputation: 29094

Converting the line endings in a file from DOS to UNIX format in C#

I would like to convert the line endings in a file from DOS format to Unix format in C#.

Unix systems use the linefeed character (LF) as a line separator. The only notable exception is Microsoft Windows, which uses a carriage return followed by a linefeed (CRLF).

How do I change the line endings in a file from DOS to Unix Format using C#. Need some guidance on converting this.

Upvotes: 3

Views: 7707

Answers (1)

M. Schena
M. Schena

Reputation: 2107

Here is your answer Convert files from Dos to Unix and back: 

private void Dos2Unix(string fileName)
{
    const byte CR = 0x0D;
    const byte LF = 0x0A;
    byte[] data = File.ReadAllBytes(fileName);
    using (FileStream fileStream = File.OpenWrite(fileName))
    {
        BinaryWriter bw = new BinaryWriter(fileStream);
        int position = 0;
        int index = 0;
        do
        {
            index = Array.IndexOf<byte>(data, CR, position);
            if ((index >= 0) && (data[index + 1] == LF))
            {
                // Write before the CR
                bw.Write(data, position, index - position);
                // from LF
                position = index + 1;
            }
        }
        while (index >= 0);
        bw.Write(data, position, data.Length - position);
        fileStream.SetLength(fileStream.Position);
    }
}

Upvotes: 5

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